Marquis L4-140 2.3L VIN A 1-bbl (1986)
Pressure Feedback Exhaust Sensor: Description and Operation
The Pressure Feedback Electronic (PFE) EGR transducer converts a varying exhaust pressure signal into a proportional analog voltage which is digitized
by the EEC IV processor. The EEC IV processor uses the signal received from the PFE transducer to complete the optimum EGR flow.
